Cytokines are the signaling proteins that immune cells use to talk to each other. They are the reason your body can mount a coordinated defense against infections, and they are also the driving force behind inflammation. When a threat is detected, immune cells release cytokines that trigger blood vessel dilation, attract other immune cells to … Read more

Yes, eggs can be frozen, but not the way you might think. You cannot toss a whole egg in its shell into the freezer and expect good results. The liquid inside expands when frozen, which can crack the shell and ruin the egg. However, with a few simple steps, you can freeze eggs for later … Read more

A soft boiled egg with a runny yolk is a quick, satisfying breakfast. But eggs are a perishable food, and how you handle them after cooking matters. In the refrigerator, peeled soft boiled eggs last up to two days. Unpeeled soft boiled eggs can last up to one week if kept in an airtight container. … Read more

Your shoulder hurts when you reach for something on a high shelf, or maybe it aches at night when you roll onto that side. You might have been told you have a rotator cuff problem, and now you want to know exactly what to do about it. The rotator cuff is a group of four … Read more

Building stronger glutes is about more than looks. Your gluteal muscles are the largest muscle group in your body, and they power everyday movements like climbing stairs, standing up from a chair, and walking. Training them properly can improve posture, reduce lower back pain, and boost athletic performance. The most effective approach combines heavy compound … Read more

Most respiratory infections are contagious. That includes the common cold, influenza, COVID-19, RSV, and many types of pneumonia. These infections spread from person to person, usually through droplets released when someone coughs, sneezes, or talks. You can also catch them by touching a contaminated surface and then touching your face. The contagious period varies by … Read more

The spleen is a small organ tucked under your rib cage on the left side of your body. It is about the size of your fist, and it is a powerhouse for your immune system. Its main jobs are to filter your blood, recycle old red blood cells, and help your body fight off certain … Read more

Emotions change how your brain stores and retrieves memories. When an event carries emotional weight, your brain often records it with more detail and strength than a neutral event. This happens through a specific set of brain structures and chemical signals that mark the memory as important. The result is that you are more likely … Read more